Texas Instruments IWR6843L EVM, User Manual

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User’s Guide
IWR6843L EVM
Chethan Kumar Y.B.
ABSTRACT
The IWR6843LEVM from Texas Instruments is an easy-to-use low cost FR4-based evaluation board for the
XWR6843 mmWave sensing device, with direct connectivity to the MMWAVEICBOOST and DCA1000EVM
development kits. This EVM contains everything required to start developing software for on-chip C67x DSP
core and low power Arm
®
Cortex
®
-R4F controllers
Table of Contents
1 Getting Started ........................................................................................................................................................................ 2
1.1 Key Features...................................................................................................................................................................... 2
1.2 Kit Contents........................................................................................................................................................................ 2
1.3 mmWave Out of Box Demo................................................................................................................................................ 2
2 Hardware ................................................................................................................................................................................. 3
2.1 Block Diagram.................................................................................................................................................................... 5
3 PCB Storage and Handling Recommendations ................................................................................................................... 6
3.1 PCB Storage and Handling Recommendations................................................................................................................. 6
3.2 Higher Power Demanding Applications.............................................................................................................................. 6
4 IWR6843LEVM Antenna .......................................................................................................................................................... 6
4.1 Transmitter and Receiver Virtual Array.............................................................................................................................. 7
5 Hardware Details ..................................................................................................................................................................... 8
5.1 Switch Settings................................................................................................................................................................... 8
5.2 LEDs................................................................................................................................................................................... 9
5.3 Connectors......................................................................................................................................................................... 9
5.4 USB Connector.................................................................................................................................................................. 9
5.5 DCA1000 HD Connector.................................................................................................................................................. 10
5.6 MMWAVEICBOOST HD Connector................................................................................................................................. 10
5.7 CANFD Connector........................................................................................................................................................... 10
5.8 I2C Connections............................................................................................................................................................... 11
5.9 EEPROM.......................................................................................................................................................................... 11
5.10 Default I2C Address....................................................................................................................................................... 11
5.11 Modular Mode................................................................................................................................................................. 11
5.12 Flashing the Board......................................................................................................................................................... 13
5.13 DCA1000EVM Mode...................................................................................................................................................... 13
5.14 MMWAVEICBOOST Mode............................................................................................................................................. 14
5.15 Raw ADC Data Capture Using MMWAVEICBOOST and DCA1000 EVMs................................................................... 15
5.16 Muxing Scheme............................................................................................................................................................. 15
6 Software, Development Tools, and Example Code ............................................................................................................ 15
7 TI E2E Community ................................................................................................................................................................ 15
8 References ............................................................................................................................................................................ 15
Trademarks
Arm ® and Cortex ® are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
All trademarks are the property of their respective owners.
www.ti.com Table of Contents
SWRU585 – NOVEMBER 2021
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